Home / 823,931.82-1,136,829.87-501,638.22

Finding the Fourth Proportional to 823,931.82, 1,136,829.87 and 501,638.22

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Solution

The fourth proportional to 823,931.82, 1,136,829.87 and 501,638.22 is: 692,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,931.82 : 1,136,829.87 = 501,638.22 : x
  2. Step 2: Convert to fraction form
    823,931.82/1,136,829.87 = 501,638.22/x
  3. Step 3: Cross multiply
    823,931.82x = 1,136,829.87 × 501,638.22
  4. Step 4: Simplify right side
    823,931.82x = 570,277,312,429.63
  5. Step 5: Solve for x
    x = 570,277,312,429.63/823,931.82
  6. Step 6: Final answer
    x = 692,141.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.